Remove stubborn urine stone with citric acid

Since I found some tips against urine stone in the toilet, I have tried several. Unfortunately without success.

So I experimented a bit with myself! Lo and behold, pure citric acid worked very well, it is available as a decalcifier in the supermarket.

Before going to bed I poured hot water into the toilet and added 4-5 scoops of pure citric acid. Brushing once in the morning and the toilet looks almost new again.

P. S .: Gebißreinigertabs should also work, but I could not test, because I still have all the teeth! ;-)

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